21091758

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{2819}}^1$

素因数の和:2896

約数の個数: 32

約数和(自身を含む): 44668800

約数和(自身を除く): 23577042

約数列:

[1, 2, 3, 6, 29, 43, 58, 86, 87, 129, 174, 258, 1247, 2494, 2819, 3741, 5638, 7482, 8457, 16914, 81751, 121217, 163502, 242434, 245253, 363651, 490506, 727302, 3515293, 7030586, 10545879, 21091758]

約数ペア:

[(1, 21091758), (2, 10545879), (3, 7030586), (6, 3515293), (29, 727302), (43, 490506), (58, 363651), (86, 245253), (87, 242434), (129, 163502), (174, 121217), (258, 81751), (1247, 16914), (2494, 8457), (2819, 7482), (3741, 5638)]